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Name	Size	Permission	Date
__phello__	[ DIR ]	drwxr-xr-x	2026-07-07 06:41
__pycache__	[ DIR ]	drwxr-xr-x	2026-07-07 06:41
asyncio	[ DIR ]	drwxr-xr-x	2026-07-07 06:41
collections	[ DIR ]	drwxr-xr-x	2026-07-07 06:41
concurrent	[ DIR ]	drwxr-xr-x	2026-07-07 06:41
config-3.12-x86_64-linux-gnu	[ DIR ]	drwxr-xr-x	2026-07-07 06:41
ctypes	[ DIR ]	drwxr-xr-x	2026-07-07 06:41
curses	[ DIR ]	drwxr-xr-x	2026-07-07 06:41
dbm	[ DIR ]	drwxr-xr-x	2026-07-07 06:41
email	[ DIR ]	drwxr-xr-x	2026-07-07 06:41
encodings	[ DIR ]	drwxr-xr-x	2026-07-07 06:41
html	[ DIR ]	drwxr-xr-x	2026-07-07 06:41
http	[ DIR ]	drwxr-xr-x	2026-07-07 06:41
importlib	[ DIR ]	drwxr-xr-x	2026-07-07 06:41
json	[ DIR ]	drwxr-xr-x	2026-07-07 06:41
lib-dynload	[ DIR ]	drwxr-xr-x	2026-07-07 06:41
logging	[ DIR ]	drwxr-xr-x	2026-07-07 06:41
multiprocessing	[ DIR ]	drwxr-xr-x	2026-07-07 06:41
pydoc_data	[ DIR ]	drwxr-xr-x	2026-07-07 06:41
re	[ DIR ]	drwxr-xr-x	2026-07-07 06:41
sqlite3	[ DIR ]	drwxr-xr-x	2026-07-07 06:41
test	[ DIR ]	drwxr-xr-x	2026-07-07 06:41
tomllib	[ DIR ]	drwxr-xr-x	2026-07-07 06:41
unittest	[ DIR ]	drwxr-xr-x	2026-07-07 06:41
urllib	[ DIR ]	drwxr-xr-x	2026-07-07 06:41
venv	[ DIR ]	drwxr-xr-x	2026-07-07 06:41
wsgiref	[ DIR ]	drwxr-xr-x	2026-07-07 06:41
xml	[ DIR ]	drwxr-xr-x	2026-07-07 06:41
xmlrpc	[ DIR ]	drwxr-xr-x	2026-07-07 06:41
zipfile	[ DIR ]	drwxr-xr-x	2026-07-07 06:41
zoneinfo	[ DIR ]	drwxr-xr-x	2026-07-07 06:41
EXTERNALLY-MANAGED	645 B	-rw-r--r--	2026-06-19 12:46
LICENSE.txt	13.61 KB	-rw-r--r--	2026-06-19 12:46
__future__.py	5.1 KB	-rw-r--r--	2026-06-19 12:46
__hello__.py	227 B	-rw-r--r--	2026-06-19 12:46
_aix_support.py	3.93 KB	-rw-r--r--	2026-06-19 12:46
_collections_abc.py	31.33 KB	-rw-r--r--	2026-06-19 12:46
_compat_pickle.py	8.56 KB	-rw-r--r--	2026-06-19 12:46
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_distutils_system_mod.py	5.58 KB	-rw-r--r--	2026-06-19 12:46
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_osx_support.py	21.51 KB	-rw-r--r--	2026-06-19 12:46
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_pydatetime.py	89.94 KB	-rw-r--r--	2026-06-19 12:46
_pydecimal.py	223.85 KB	-rw-r--r--	2026-06-19 12:46
_pyio.py	91.4 KB	-rw-r--r--	2026-06-19 12:46
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_sysconfigdata__x86_64-linux-gnu.py	48.34 KB	-rw-r--r--	2026-06-19 12:46
_threading_local.py	7.05 KB	-rw-r--r--	2026-06-19 12:46
_weakrefset.py	5.75 KB	-rw-r--r--	2026-06-19 12:46
abc.py	6.38 KB	-rw-r--r--	2026-06-19 12:46
aifc.py	33.41 KB	-rw-r--r--	2026-06-19 12:46
antigravity.py	500 B	-rw-r--r--	2026-06-19 12:46
argparse.py	99.37 KB	-rw-r--r--	2026-06-19 12:46
ast.py	62.75 KB	-rw-r--r--	2026-06-19 12:46
base64.py	20.12 KB	-rwxr-xr-x	2026-06-19 12:46
bdb.py	31.7 KB	-rw-r--r--	2026-06-19 12:46
bisect.py	3.34 KB	-rw-r--r--	2026-06-19 12:46
bz2.py	11.57 KB	-rw-r--r--	2026-06-19 12:46
cProfile.py	6.4 KB	-rwxr-xr-x	2026-06-19 12:46
calendar.py	24.82 KB	-rw-r--r--	2026-06-19 12:46
cgi.py	33.61 KB	-rwxr-xr-x	2026-06-19 12:46
cgitb.py	12.13 KB	-rw-r--r--	2026-06-19 12:46
chunk.py	5.37 KB	-rw-r--r--	2026-06-19 12:46
cmd.py	14.52 KB	-rw-r--r--	2026-06-19 12:46
code.py	10.44 KB	-rw-r--r--	2026-06-19 12:46
codecs.py	36.01 KB	-rw-r--r--	2026-06-19 12:46
codeop.py	5.77 KB	-rw-r--r--	2026-06-19 12:46
colorsys.py	3.97 KB	-rw-r--r--	2026-06-19 12:46
compileall.py	20.12 KB	-rw-r--r--	2026-06-19 12:46
configparser.py	52.53 KB	-rw-r--r--	2026-06-19 12:46
contextlib.py	26.99 KB	-rw-r--r--	2026-06-19 12:46
contextvars.py	129 B	-rw-r--r--	2026-06-19 12:46
copy.py	8.21 KB	-rw-r--r--	2026-06-19 12:46
copyreg.py	7.44 KB	-rw-r--r--	2026-06-19 12:46
crypt.py	3.82 KB	-rw-r--r--	2026-06-19 12:46
csv.py	16 KB	-rw-r--r--	2026-06-19 12:46
dataclasses.py	60.31 KB	-rw-r--r--	2026-06-19 12:46
datetime.py	268 B	-rw-r--r--	2026-06-19 12:46
decimal.py	320 B	-rw-r--r--	2026-06-19 12:46
difflib.py	81.36 KB	-rw-r--r--	2026-06-19 12:46
dis.py	29.5 KB	-rw-r--r--	2026-06-19 12:46
doctest.py	103.98 KB	-rw-r--r--	2026-06-19 12:46
enum.py	79.72 KB	-rw-r--r--	2026-06-19 12:46
filecmp.py	9.95 KB	-rw-r--r--	2026-06-19 12:46
fileinput.py	15.35 KB	-rw-r--r--	2026-06-19 12:46
fnmatch.py	5.86 KB	-rw-r--r--	2026-06-19 12:46
fractions.py	37.17 KB	-rw-r--r--	2026-06-19 12:46
ftplib.py	34.41 KB	-rw-r--r--	2026-06-19 12:46
functools.py	37.23 KB	-rw-r--r--	2026-06-19 12:46
genericpath.py	5.44 KB	-rw-r--r--	2026-06-19 12:46
getopt.py	7.31 KB	-rw-r--r--	2026-06-19 12:46
getpass.py	5.85 KB	-rw-r--r--	2026-06-19 12:46
gettext.py	21.24 KB	-rw-r--r--	2026-06-19 12:46
glob.py	8.53 KB	-rw-r--r--	2026-06-19 12:46
graphlib.py	9.43 KB	-rw-r--r--	2026-06-19 12:46
gzip.py	24.28 KB	-rw-r--r--	2026-06-19 12:46
hashlib.py	9.13 KB	-rw-r--r--	2026-06-19 12:46
heapq.py	22.48 KB	-rw-r--r--	2026-06-19 12:46
hmac.py	7.54 KB	-rw-r--r--	2026-06-19 12:46
imaplib.py	52.43 KB	-rw-r--r--	2026-06-19 12:46
imghdr.py	4.29 KB	-rw-r--r--	2026-06-19 12:46
inspect.py	122.48 KB	-rw-r--r--	2026-06-19 12:46
io.py	3.5 KB	-rw-r--r--	2026-06-19 12:46
ipaddress.py	76.46 KB	-rw-r--r--	2026-06-19 12:46
keyword.py	1.05 KB	-rw-r--r--	2026-06-19 12:46
linecache.py	5.52 KB	-rw-r--r--	2026-06-19 12:46
locale.py	76.72 KB	-rw-r--r--	2026-06-19 12:46
lzma.py	12.97 KB	-rw-r--r--	2026-06-19 12:46
mailbox.py	77.06 KB	-rw-r--r--	2026-06-19 12:46
mailcap.py	9.11 KB	-rw-r--r--	2026-06-19 12:46
mimetypes.py	22.35 KB	-rw-r--r--	2026-06-19 12:46
modulefinder.py	23.14 KB	-rw-r--r--	2026-06-19 12:46
netrc.py	6.76 KB	-rw-r--r--	2026-06-19 12:46
nntplib.py	40.12 KB	-rw-r--r--	2026-06-19 12:46
ntpath.py	29.32 KB	-rw-r--r--	2026-06-19 12:46
nturl2path.py	2.82 KB	-rw-r--r--	2026-06-19 12:46
numbers.py	11.2 KB	-rw-r--r--	2026-06-19 12:46
opcode.py	12.87 KB	-rw-r--r--	2026-06-19 12:46
operator.py	10.71 KB	-rw-r--r--	2026-06-19 12:46
optparse.py	58.95 KB	-rw-r--r--	2026-06-19 12:46
os.py	38.85 KB	-rw-r--r--	2026-06-19 12:46
pathlib.py	49.95 KB	-rw-r--r--	2026-06-19 12:46
pdb.py	67.83 KB	-rwxr-xr-x	2026-06-19 12:46
pickle.py	63.38 KB	-rw-r--r--	2026-06-19 12:46
pickletools.py	91.66 KB	-rw-r--r--	2026-06-19 12:46
pipes.py	8.77 KB	-rw-r--r--	2026-06-19 12:46
pkgutil.py	17.85 KB	-rw-r--r--	2026-06-19 12:46
platform.py	42.32 KB	-rwxr-xr-x	2026-06-19 12:46
plistlib.py	27.91 KB	-rw-r--r--	2026-06-19 12:46
poplib.py	13.83 KB	-rw-r--r--	2026-06-19 12:46
posixpath.py	17.21 KB	-rw-r--r--	2026-06-19 12:46
pprint.py	23.59 KB	-rw-r--r--	2026-06-19 12:46
profile.py	22.55 KB	-rwxr-xr-x	2026-06-19 12:46
pstats.py	28.6 KB	-rw-r--r--	2026-06-19 12:46
pty.py	5.99 KB	-rw-r--r--	2026-06-19 12:46
py_compile.py	7.69 KB	-rw-r--r--	2026-06-19 12:46
pyclbr.py	11.13 KB	-rw-r--r--	2026-06-19 12:46
pydoc.py	110.44 KB	-rwxr-xr-x	2026-06-19 12:46
queue.py	11.23 KB	-rw-r--r--	2026-06-19 12:46
quopri.py	7.01 KB	-rwxr-xr-x	2026-06-19 12:46
random.py	33.87 KB	-rw-r--r--	2026-06-19 12:46
reprlib.py	6.42 KB	-rw-r--r--	2026-06-19 12:46
rlcompleter.py	7.64 KB	-rw-r--r--	2026-06-19 12:46
runpy.py	12.6 KB	-rw-r--r--	2026-06-19 12:46
sched.py	6.2 KB	-rw-r--r--	2026-06-19 12:46
secrets.py	1.94 KB	-rw-r--r--	2026-06-19 12:46
selectors.py	19.21 KB	-rw-r--r--	2026-06-19 12:46
shelve.py	8.36 KB	-rw-r--r--	2026-06-19 12:46
shlex.py	13.04 KB	-rw-r--r--	2026-06-19 12:46
shutil.py	56.76 KB	-rw-r--r--	2026-06-19 12:46
signal.py	2.44 KB	-rw-r--r--	2026-06-19 12:46
site.py	23.34 KB	-rw-r--r--	2026-06-19 12:46
sitecustomize.py	155 B	-rw-r--r--	2025-06-18 17:59
smtplib.py	42.51 KB	-rwxr-xr-x	2026-06-19 12:46
sndhdr.py	7.27 KB	-rw-r--r--	2026-06-19 12:46
socket.py	36.53 KB	-rw-r--r--	2026-06-19 12:46
socketserver.py	27.2 KB	-rw-r--r--	2026-06-19 12:46
sre_compile.py	231 B	-rw-r--r--	2026-06-19 12:46
sre_constants.py	232 B	-rw-r--r--	2026-06-19 12:46
sre_parse.py	229 B	-rw-r--r--	2026-06-19 12:46
ssl.py	49.63 KB	-rw-r--r--	2026-06-19 12:46
stat.py	5.36 KB	-rw-r--r--	2026-06-19 12:46
statistics.py	49.05 KB	-rw-r--r--	2026-06-19 12:46
string.py	11.51 KB	-rw-r--r--	2026-06-19 12:46
stringprep.py	12.61 KB	-rw-r--r--	2026-06-19 12:46
struct.py	257 B	-rw-r--r--	2026-06-19 12:46
subprocess.py	86.65 KB	-rw-r--r--	2026-06-19 12:46
sunau.py	18.04 KB	-rw-r--r--	2026-06-19 12:46
symtable.py	10.5 KB	-rw-r--r--	2026-06-19 12:46
sysconfig.py	32 KB	-rw-r--r--	2026-06-19 12:46
tabnanny.py	11.26 KB	-rwxr-xr-x	2026-06-19 12:46
tarfile.py	111.18 KB	-rwxr-xr-x	2026-06-19 12:46
telnetlib.py	22.75 KB	-rw-r--r--	2026-06-19 12:46
tempfile.py	36.46 KB	-rw-r--r--	2026-06-19 12:46
textwrap.py	19.26 KB	-rw-r--r--	2026-06-19 12:46
this.py	1003 B	-rw-r--r--	2026-06-19 12:46
threading.py	58.71 KB	-rw-r--r--	2026-06-19 12:46
timeit.py	13.15 KB	-rwxr-xr-x	2026-06-19 12:46
token.py	2.42 KB	-rw-r--r--	2026-06-19 12:46
tokenize.py	20.72 KB	-rw-r--r--	2026-06-19 12:46
trace.py	28.5 KB	-rwxr-xr-x	2026-06-19 12:46
traceback.py	45.24 KB	-rw-r--r--	2026-06-19 12:46
tracemalloc.py	17.62 KB	-rw-r--r--	2026-06-19 12:46
tty.py	1.99 KB	-rw-r--r--	2026-06-19 12:46
turtle.py	142.93 KB	-rw-r--r--	2026-06-19 12:46
types.py	10.74 KB	-rw-r--r--	2026-06-19 12:46
typing.py	114.68 KB	-rw-r--r--	2026-06-19 12:46
uu.py	7.19 KB	-rwxr-xr-x	2026-06-19 12:46
uuid.py	28.96 KB	-rw-r--r--	2026-06-19 12:46
warnings.py	21.25 KB	-rw-r--r--	2026-06-19 12:46
wave.py	22.24 KB	-rw-r--r--	2026-06-19 12:46
weakref.py	21.01 KB	-rw-r--r--	2026-06-19 12:46
webbrowser.py	23.56 KB	-rwxr-xr-x	2026-06-19 12:46
xdrlib.py	5.8 KB	-rw-r--r--	2026-06-19 12:46
zipapp.py	7.37 KB	-rw-r--r--	2026-06-19 12:46
zipimport.py	27.47 KB	-rw-r--r--	2026-06-19 12:46

Rename

"""Cache lines from Python source files.

This is intended to read lines from modules imported -- hence if a filename
is not found, it will look down the module search path for a file by
that name.
"""

import functools
import sys
import os
import tokenize

__all__ = ["getline", "clearcache", "checkcache", "lazycache"]

# The cache. Maps filenames to either a thunk which will provide source code,
# or a tuple (size, mtime, lines, fullname) once loaded.
cache = {}

def clearcache():
    """Clear the cache entirely."""
    cache.clear()

def getline(filename, lineno, module_globals=None):
    """Get a line for a Python source file from the cache.
    Update the cache if it doesn't contain an entry for this file already."""

lines = getlines(filename, module_globals)
    if 1 <= lineno <= len(lines):
        return lines[lineno - 1]
    return ''

def getlines(filename, module_globals=None):
    """Get the lines for a Python source file from the cache.
    Update the cache if it doesn't contain an entry for this file already."""

if filename in cache:
        entry = cache[filename]
        if len(entry) != 1:
            return cache[filename][2]

try:
        return updatecache(filename, module_globals)
    except MemoryError:
        clearcache()
        return []

def checkcache(filename=None):
    """Discard cache entries that are out of date.
    (This is not checked upon each call!)"""

if filename is None:
        filenames = list(cache.keys())
    elif filename in cache:
        filenames = [filename]
    else:
        return

for filename in filenames:
        entry = cache[filename]
        if len(entry) == 1:
            # lazy cache entry, leave it lazy.
            continue
        size, mtime, lines, fullname = entry
        if mtime is None:
            continue   # no-op for files loaded via a __loader__
        try:
            stat = os.stat(fullname)
        except OSError:
            cache.pop(filename, None)
            continue
        if size != stat.st_size or mtime != stat.st_mtime:
            cache.pop(filename, None)

def updatecache(filename, module_globals=None):
    """Update a cache entry and return its list of lines.
    If something's wrong, print a message, discard the cache entry,
    and return an empty list."""

if filename in cache:
        if len(cache[filename]) != 1:
            cache.pop(filename, None)
    if not filename or (filename.startswith('<') and filename.endswith('>')):
        return []

fullname = filename
    try:
        stat = os.stat(fullname)
    except OSError:
        basename = filename

# Realise a lazy loader based lookup if there is one
        # otherwise try to lookup right now.
        if lazycache(filename, module_globals):
            try:
                data = cache[filename][0]()
            except (ImportError, OSError):
                pass
            else:
                if data is None:
                    # No luck, the PEP302 loader cannot find the source
                    # for this module.
                    return []
                cache[filename] = (
                    len(data),
                    None,
                    [line + '\n' for line in data.splitlines()],
                    fullname
                )
                return cache[filename][2]

# Try looking through the module search path, which is only useful
        # when handling a relative filename.
        if os.path.isabs(filename):
            return []

for dirname in sys.path:
            try:
                fullname = os.path.join(dirname, basename)
            except (TypeError, AttributeError):
                # Not sufficiently string-like to do anything useful with.
                continue
            try:
                stat = os.stat(fullname)
                break
            except OSError:
                pass
        else:
            return []
    try:
        with tokenize.open(fullname) as fp:
            lines = fp.readlines()
    except (OSError, UnicodeDecodeError, SyntaxError):
        return []
    if lines and not lines[-1].endswith('\n'):
        lines[-1] += '\n'
    size, mtime = stat.st_size, stat.st_mtime
    cache[filename] = size, mtime, lines, fullname
    return lines

def lazycache(filename, module_globals):
    """Seed the cache for filename with module_globals.

The module loader will be asked for the source only when getlines is
    called, not immediately.

If there is an entry in the cache already, it is not altered.

:return: True if a lazy load is registered in the cache,
        otherwise False. To register such a load a module loader with a
        get_source method must be found, the filename must be a cacheable
        filename, and the filename must not be already cached.
    """
    if filename in cache:
        if len(cache[filename]) == 1:
            return True
        else:
            return False
    if not filename or (filename.startswith('<') and filename.endswith('>')):
        return False
    # Try for a __loader__, if available
    if module_globals and '__name__' in module_globals:
        spec = module_globals.get('__spec__')
        name = getattr(spec, 'name', None) or module_globals['__name__']
        loader = getattr(spec, 'loader', None)
        if loader is None:
            loader = module_globals.get('__loader__')
        get_source = getattr(loader, 'get_source', None)

if name and get_source:
            get_lines = functools.partial(get_source, name)
            cache[filename] = (get_lines,)
            return True
    return False